Maximize/Minimize gnome-terminal window by double-clicking logs JS ERROR in the system logs.

Issue

• The following messages are logged when trying to Maximize/Minimize gnome-terminal window by double-clicking :

  JS ERROR: Exception in callback for signal: position-changed: TypeError: this._rect is undefined
  getCurrentRect@resource:///org/gnome/shell/ui/keyboard.js:553:22
  wrapper@resource:///org/gnome/gjs/modules/_legacy.js:82:22
  _onFocusPositionChanged@resource:///org/gnome/shell/ui/keyboard.js:635:20
  wrapper@resource:///org/gnome/gjs/modules/_legacy.js:82:22
  _emit@resource:///org/gnome/gjs/modules/signals.js:128:27
  _setCurrentWindow/this._currentWindowPositionId<@resource:///org/gnome/shell/ui/keyboard.js:534:21